Finding the Fourth Proportional to 1,279,941.31, 1,766,167.64 and 706,947.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,941.31 : 1,766,167.64 = 706,947.31 : x
2. Step 2: Convert to fraction form
   1,279,941.31/1,766,167.64 = 706,947.31/x
3. Step 3: Cross multiply
   1,279,941.31x = 1,766,167.64 × 706,947.31
4. Step 4: Simplify right side
   1,279,941.31x = 1,248,587,458,572.31
5. Step 5: Solve for x
   x = 1,248,587,458,572.31/1,279,941.31
6. Step 6: Final answer
   x = 975,503.68